A system includes a computerized appliance connected to a network, a processor, a persistent memory, a dynamic random access memory, and software executing on the processor, the software provides for installing an application, storing data to be used in execution of the application, mapping logical block addresses at which particular data is stored to data in an order of expected use, the data-use profile listing an expected order of data use in execution of the application, configuring the DRAM with a cache of a specific data capacity, transferring a block of data equal to the cache size into the cache according to the order of data in the data-use profile, and as data is used in execution of the application, emptying used data from the cache and transferring not-yet-used data from persistent storage into the cache according to the order of data in the data-use profile.